We investigated the existence of a temporal association between age at initiation of
cannabis use and age at onset of psychotic illness in 997 participants from the 2010 Survey …

Background We aimed to examine the association between illicit substance use and age at
onset in psychotic disorders in an Australian cohort. Methods Retrospectively acquired …

Introduction Age at onset of psychosis (AAO) may be younger in patients with cannabis use
disorders (CUD) compared to those without CUD (NCUD). Previous studies included CUD …

Cannabis use is associated with an earlier age of onset of psychosis (AOP). However, the
reasons for this remain debated. Methods: We applied a Cox proportional hazards model to …

INTRODUCTION: Several studies have associated cannabis use with the development of
schizophrenia. However, it has been difficult to disentangle the effects of cannabis from that …

BackgroundCannabis use is associated with an earlier age at onset of psychotic illness. The
aim of the present study was to examine whether this association is confounded by gender …

Objective: Several reports suggest that cannabis use is associated with an earlier age at
onset of psychosis, although not all studies have operationalized cannabis use as occurring …

Objective: Increasing interest in the prodromal stage of schizophrenia over the past decade
led us to perform our study to monitor people at high risk for developing a psychosis. We …

A recent meta-analysis showed that the mean age of onset of psychosis among cannabis
users was almost three years earlier than that of non-cannabis users. However, because …

INTRODUCTION: The purpose of this study is to determine if an earlier age at onset of
positive symptoms in schizophrenia is associated with cannabis use disorders (CUD) …